Alert archive / Minnesota / Wind Chill Warnings in 2014

Wind Chill Warning 8, NWS Duluth, MN

February 28, 20144 counties in Minnesota

NWS Duluth, MN issued this wind chill warning at Feb 28, 2014, 3:03 PM CST for 4 counties in Minnesota. It took effect at Mar 1, 2014, 12:00 AM CST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 28, 2014, 3:03 PM CST (21:03 UTC)
In effect from: Mar 1, 2014, 12:00 AM CST
Expired: Mar 1, 2014, 12:00 PM CST
In force: 12 hr
Issued by: NWS Duluth, MN

Counties Cass County, MN, Itasca County, MN, Koochiching County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 130 km from the middle of the area, began a volume at 21:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 9.1 hours before the alert went out and 112 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1927 m above ground
0-6 km bulk shear: 94 kt
0-1 km storm-relative helicity: 194 m²/s²
0-3 km storm-relative helicity: 337 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this wind chill warning went out at Feb 28, 1:02 PM CST, 2 hours 1 minute earlier.

Area forecast discussion, Feb 28, 1:02 PM CST, 2 hours 1 minute before

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Hazardous weather outlook, Feb 28, 9:08 AM CST, 5 hours 55 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 28, 3:03 PM CST	Wind Chill Advisory	DLH	Aitkin, Carlton, Cass, Cook, Crow Wing, Lake and 2 more	21 hr

Nearby

Wind Chill Warnings in Minnesota, 2014 Every wind chill warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.